Leases - Supplemental Cash Flow (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Leases [Abstract]
Operating lease right-of-use assets	$ 19,078	$ 23,620
Operating lease liabilities, non-current	16,380	20,926
Operating lease liabilities, current portion	4,427	4,494
Total operating lease liabilities	20,807	25,420
Property, plant and equipment, at cost	569	569
Accumulated depreciation	(171)	(57)
Property, plant and equipment, net	398	512
Financing lease liabilities, non-current	282	395
Financing lease liabilities, current portion	122	119
Total finance lease liabilities	404	514
Operating cash flow from operating leases	6,226	6,485
Finance cash flows from finance leases	119	60
ROU assets obtained in exchange for operating lease obligations	100	10,323
ROU assets obtained in exchange for finance lease obligations	0	569
Reductions to ROU assets resulting from reductions to operating lease obligations	1,175	1,358
Increases to ROU assets resulting from remeasurement of lease obligations	$ 0	$ 0
Weighted average remaining lease term, operating lease	5 years	3 years 1 month 6 days
Finance Lease, Weighted Average Remaining Lease Term	3 years 6 months	4 years 6 months
Weighted average discount rate, operating lease	5.05%	4.65%
Finance Lease, Weighted Average Discount Rate, Percent	2.08%	2.14%